Grégory Hissiger

AI Academic Advisor

• Architected an AI multi-agent assistant (LangGraph, Mastra, OpenAI) using RAG (ZeroEntropy), custom web search (SerpAPI & Go) & long-term memory via batched context enrichment (Airflow)

• Designed & deployed full-stack architecture with FastAPI, React/TS, Zustand, AWS, Docker, Firebase, Vercel

• Achieved GDPR & SOC 2 Type I compliance (secure CI/CD pipeline, RBAC, audit logs, DRP/BCP, IRP, monitoring)

• Scaled adoption to 5 000+ monthly active users across Ivy League campuses (Penn, Harvard, Columbia…)

• Cut staff email volume by 43 % and slashed response time from 48–72 h to < 1 min

• Raised $342 k in pre-seed; incubated by Station F & The Wharton School's VIP-X (Top 3 global business school)

- On-Demand Tutoring Marketplace

• Built the product from MVP to full release, owning roadmap, UX iterations, and user feedback loop

• Led product strategy and go-to-market: pricing, positioning, acquisition channels, and KPIs

• Achieved a 1-minute average match time for 400 learners after onboarding 1,000+ tutors through partnerships with top French institutions like Supaero, École Polytechnique, Sciences Po, CentraleSupélec…

• Secured €160 k pre-seed alongside the co-founder of Marmiton and the former president of Nokia France

• Built and scaled a new aerospace & energy business unit, generating ≃ €300 k revenue in year 1

• Recruited and managed 8 consultants, sustaining 100 % billable utilization with zero turnover

• Opened two strategic enterprise accounts to final-proposal stage, positioning the BU to double revenue

• Steered the full client lifecycle — needs discovery, contract negotiation, project oversight and retention